Abstract: The present invention provides a fastening means of air grille including a grid face, a filtering device, a stationary frame and door latches, in which said grid face is hinged to the stationary frame with one side, and the opposite side of the grid face is fastened on the stationary frame with the door latches; wherein said door latches molded of plastic is located on the grid face in movable connection with a catching hook at the middle portion; a pushing portion is built upon the upside of the door latch, and a L-shaped catching shoe on the lower portion, above the L-shaped catching shoe the catching hook is built up for holding the grid face on, and an open slot constructed of the low leg of the L-shaped shoe and the bottom of said pushing portion is used to catch on the stationary frame.

Abstract: The present invention provides a grid controller set upon the through-slot at one side of the grid window on the panel, wherein said grid controller includes a sliding button and a shifting lever, said sliding button is set upon the through-slot, and said shifting lever is pivoted on the shoe plate, one end of the shifting lever appears in a gear section for meshing to the inner rack bar end of the sliding button, the another end is pivoted to the pitman arm linking with the blades.

Abstract: The present invention relates to a hose connector of faucet for attaching spray head, which is comprised of a male swivel connector, a socket joint and a washer; the said male swivel connector and said washer are placed into said socket joint with the flange portion, wherein a metal sleeve is put over the flange portion of the male swivel connector under said washer, and an O-ring is set between the male swivel connector and the metal sleeve.